28789047 is an odd 8-digits composite number following 28789046
and preceding 28789048 . In scientific notation, it is written as 2.8789047 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 15583104 positive integers (up to 28789047) that are relatively prime to 28789047.
28789047 has 24 divisors, whose sum is 45862960
The reverse of 28789047 is 74098782
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million seven hundred eighty-nine thousand forty-seven
Scientific notation
2.8789047 × 10^7
Engineering notation
2.8789047 × 10^6
Prime Factorization
21 × 3 × 3 × 19 × 8017
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9596349
Product of the distinct prime numbers
The prime factorization of 28789047 is 21 × 3 × 3 × 19 × 8017.
Since it has a total of 5 prime factors.
8 , 7 , 100 , 18 , 855 , 937 , 531 , 4042 , 22152 , 7867 , 375875 , 300690 , 8789752 , 7141553 , 45750032 , 18945077 , 268669295 , 970723578 , 2643137252 , 2062517016
n×2
57578094
n×3
86367141
n×4
115156188
n×5
143945235
n÷2
14394523.5
n÷3
9596349
n÷3
7197261.75
n÷5
5757809.4
n2
828809227168209
n3
2.3860627794979E+22
n4
6.8692473503916E+29
n5
1.9775908482505E+37
2 √n
5365.542563432
3 √n
306.48490975615
4 √n
73.249863914085
5 √n
31.034550374018
1 , 3 , 9 , 19 , 21 , 57 , 63 , 171 , 189 , 399 , 1197 , 3591 , 8017 , 24051 , 72153 , 152323 , 168357 , 456969 , 505071 , 1370907 , 1515213 , 3198783 , 9596349 , 28789047
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28789046
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28789047 can be divided by 24 positive divisors.
The sum of these divisors (counting 28789047) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101101110100100100110111
3
Ternary
2000011122011000
4
Quaternary
1231310210313
5
Quinary
24332222142
6
Senary
2505014343
8
Octal
155644467
10
Decimal
28789047
12
Duodecimal
97843b3
16
Hexadecimal
1b74937
20
Vigesimal
8jicc7
36
Base36
h51rr
md5
ab3925dbeeaae22a98dfdb1c57001f6a
sha1
1aae72cab244570f4f0264b8467c229983fea3b8
sha256
0db1e6a77cd950e6babb23bda876e9a58900f495d775a7813ff16046f155b0ed
sha512
9afb81fb981fa15323c952e115e4187ab60d7cc7323744e3963e87a1c13163a0a59484bdad62761f1a373e6246538547dfabdb7d42858d372dbf2fd9c399dfb3
ripemd-160
f390ff3e72cf1366a93a42bcea64fd39d932c44a
Diameter
57578094
Circumference
180886917.1181
Area
2.6037809792991E+15
Volume
9.9947163987663E+22
Surface area
1.0415123917196E+16
Circumference
180886917.1181
Perimeter
115156188
Area
828809227168209
Diagonal
40713860.715196
Surface area
4972855363009254
Volume
2.3860627794979E+22
Space diagonal
49864092.105488
Perimeter
86367141
Area
3.5888492280931E+14
Altitude
24932046.052744
Surface area
3.5888492280931E+14
Volume
2.8120019528663E+21
Height
13571286.905065